What is the CVSS score of CVE-2021-39176?

CVE-2021-39176 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.9%.

Is there a public PoC exploit available for CVE-2021-39176?

Yes, a public proof-of-concept exploit is available for CVE-2021-39176. Prioritise patching immediately. EPSS: 1.9%.

Is there a patch available for CVE-2021-39176?

Yes, a patch is available for CVE-2021-39176. Update the affected software to the latest version immediately.

Detect Character Encoding CVE-2021-39176

HIGH

Memory Leak (CWE-401)

2021-08-31 security-advisories@github.com

Information Disclosure Detect Character Encoding

7.5

CVSS 3.1 · Vendor: github

Severity by source

Vendor (github) PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from Vendor (github) · only source for this CVE.

CVSS VectorVendor: github

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Aug 31, 2021 - 18:15 cve.org

HIGH 7.5

Blast Radius

ecosystem impact

† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth

3 npm packages depend on detect-character-encoding (3 direct, 0 indirect)

Ecosystem-wide dependent count for version 0.3.1.

DescriptionCVE.org

detect-character-encoding is a package for detecting character encoding using ICU. In detect-character-encoding v0.3.0 and earlier, allocated memory is not released. The problem has been patched in detect-character-encoding v0.3.1.

AnalysisAI

detect-character-encoding is a package for detecting character encoding using ICU. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Memory Leak (CWE-401), which allows attackers to exhaust available memory leading to denial of service. detect-character-encoding is a package for detecting character encoding using ICU. In detect-character-encoding v0.3.0 and earlier, allocated memory is not released. The problem has been patched in detect-character-encoding v0.3.1. Affected products include: Detect-Character-Encoding Project Detect-Character-Encoding.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Ensure all allocated memory is properly freed. Use RAII patterns or garbage-collected languages.